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Quadratic Equations

Aptitude: Quadratic & Series for SBI CLERK & Other Bank Exams

Directions (Q. 1-5): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer

1) if x > y

2) if x ≥ y

3) if x < y

4) if x ≤ y

5) if x = y or no relation can be established between x and y.

1. I. 3x2 – 29x + 56 = 0

II.  3y2 – 5y – 8 = 0

2. I. 5x2 + 26x – 24 = 0

II.  5y2 – 34y + 24 = 0

3. I. x2 – 7x = 0

II.  2y2 + 5y + 3 = 0

4. I. 7x – 4y = 40

II.  8x + 8y = 8

5. I. 15x2 – 41x + 14 = 0

II.  2y2 – 13y + 20 = 0

Directions (Q. 6-10): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.

6.   1716        1320        1000          720         504          336          210

1) 720

2) 504

3) 1000

4) 210

5) 336

7.   1217          1083          957           833            720             618         524

1) 720

2) 833

3) 618

4) 524

5) 957

8.    16         47          199         771           2283              4585            4581

1) 4581

2) 199

3) 4585

4) 2283

5) 771

9.   2769       2213          1737           1335              1000              810             576

1) 810

2) 1335

3) 2213

4) 576

5) 1000

10.   165    286          363           396             385             350             231

1) 350

2) 363

3) 396

4) 231

5) 286

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